Rolls RM64 Four Zone Mixer The new ROLLS RM64 Four Zone Mixer combines two paging microphones with up to four line level source inputs. Each input is switch selected to output to any combination of four zone outputs. The outputs are all balanced XLR connectors, and a 1/4" Remote Volume jack provides each zone with the means for external volume control. The Microphone inputs feature automatic ducking for easy paging. The RM64 is the ideal solution for banquet rooms, offices, restaurant/night clubs, etc.